133065505 has 16 divisors (see below), whose sum is σ = 164584080. Its totient is φ = 103203072.

The previous prime is 133065487. The next prime is 133065553. The reversal of 133065505 is 505560331.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 20684304 + 112381201 = 4548^2 + 10601^2 .

It is a cyclic number.

It is not a de Polignac number, because 133065505 - 2¹³ = 133057313 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57511 + ... + 59779.

It is an arithmetic number, because the mean of its divisors is an integer number (10286505).

Almost surely, 2^133065505 is an apocalyptic number.

It is an amenable number.

133065505 is a deficient number, since it is larger than the sum of its proper divisors (31518575).

133065505 is a wasteful number, since it uses less digits than its factorization.

133065505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2628.

The product of its (nonzero) digits is 6750, while the sum is 28.

The square root of 133065505 is about 11535.4022469960. The cubic root of 133065505 is about 510.5306600058.

The spelling of 133065505 in words is "one hundred thirty-three million, sixty-five thousand, five hundred five".